TCVN 7619-1-2007 Textiles.Methods for the determination of certain aromatic amines derived from azo colorants.Part 1: Detection of the use of certain azo colorants accessible without extraction
2007TCVN 7619-1-2007 Textiles.Methods for the determination of certain aromatic amines derived from azo colorants.Part 1: Detection of the use of certain azo colorants accessible without extraction